Black Friday: lifetime access is on a special offer in the app, until November 30. Black Friday: special offer on lifetime access, until November 30. Download
이수서의 세포는 비정상적인 염색체 수를 가지고 있다.Isuseoui seponun bijeong-sangjeogin yeomsaekche su-reul gajigo itda.The cells of the aneuploid have an abnormal number of chromosomes.